Open the Disney+ app or go to the Disney+ website
Sign in to your Disney+ account
Click your profile icon (or account icon)
Select Account
Select Subscription (or Billing)
Choose Cancel Subscription
Follow the prompts to confirm cancellation
Verify the cancellation status on the Subscription page
If you subscribed through a third party (Apple, Google Play, Amazon, Roku, etc.), cancel through that provider instead:
Apple: Settings/Subscriptions → Disney+ → Cancel Subscription
Google Play: Play Store → Payments & subscriptions → Subscriptions → Disney+ → Cancel
Amazon: Manage Your Content and Devices → Subscriptions → Disney+ → Cancel
Roku: Roku Channel Store → Subscriptions → Disney+ → Manage → Cancel